Warp-twisting-in machine.



G. HILLER.

WARP TWISTING-IN MACHINE.

APPLIUATION IILBD NOV. 29, 1907.

91 3,499. Patented Feb. 23, 1909.

6 BEEETSSBEET 1.

, L3 L I THE NORRIS PETERS co., vasmnmama. c.

I e. HILLEB. WARP TWISTING-IN MACHINE.

APPLICATION FILED NOV. 29, 1907.

Patented Feb. 23, 1909fv 6 SHEETS-SHEET 2. I

a I I3 II. awn-en G. HILLEB.

WARP TWISTING-IN MACHINE. APPLICATION FILED NOV. 29, 1907.

Patented Feb. 23, 1909.

6 SHEETSBHEET 3.

//v VIA/ r0) W/T/VESSES arr 1n: NORRIS PETERS :04, wnsnmaruu, p. c

G. HILLER.

WARP TWISTING-IN MACHINE.

APPLICATION FILED NOV. 29, 1907.

9 1 3,499 Patented Feb. 23, 1909.

8 SHEETS-SHEET 4.

ms NORRIS PETERS can. WAsumcrou, u. c.

G. HILLER.

WARP TWISTING-IN MACHINE.

APPLIOATION FILED NOV. 29, 1907,.

913,499. Patented Feb. 23, 1909.

. which the following is a specification.

7 while the return. of each jaw in the opposite kept comparatively low,in spite of the fact elastic linings of the jaws were worn away devisedand it consists of a pair of rotating tongs ada ted to seize the twowarp-ends for 'ing many revolutions.

UNITED s'rArnsrnTEN'r entice.

GUSTAV HILLER, OF

ZITTAU, GERMANY.

WARP-TWISTING-IN MACHINE.

To all whom it may concern:

Be it known that I, GUSTAV lIILLEn, a subject of the King of Saxony,residing at 1 Ottokarplatz, Zittau, in the Kin dom of Saxony and Empireof Germany, iave invented new and useful Improvements in or Relating toW'arp-Twisting-In Machines, of

In warp twisting-in machines, in which the ends of warps aremechanically joined by twisting-in, in a similar manner as is effectedby hand, hitherto chiefly two kinds of twisting-in devices wereemployed. The de vice of the one kind essentially consists of a pair ofstraight or curved jaws with pads or linings and adapted to move inopposite directions along one another, so that two warpends weretogether insert-ed between the two jaws and joined by twisting-in duringthe relative motion of the latter. In this case only the motion of eachjaw in one direction was utilized for the twisting-in operation,

direction (lid not produce any effect. This means, that the efficiencyof the machine was that the remaining parts of the machine moved morerapidly. Moreover the pads or most rapidly and required to be frequentlyreplaced, which was very inconvenient and took up much time, while themachine was necessarily stopped for a long time. In order to avoid theprincipal defects of devices of this kind, the device of the other kindwas twisting t iem by rapidly rotating, they mak- In this case, ofcourse, the wear of the tongs was ml, howrevolutions for joining twowarp-ends, in order to produce a sufficiently reliable joint. This highnumber of revolutions took up a not inconsiderable time, so that thework of the machine was thereby limited. Moreover the rotation of thepair of tongs required to be each time stopped for the insertion of thewarp-ends and the withdrawal of the joined warps. Therefore it wasimpossible to put the device into a continuous motion, whereby themachine might be pro tected as far as possible from all shocks.

My invention relates to a new twisting-in Specification of LettersPatent.

Application filed November 29, 1907.

Patented Feb. 23, 1909.

Serial No. 40&,359.

device, whereby all the said defects of the known devices are avoided,so that the efficiency of the machine is enlarged and only limited bythe already high speed of the machine parts which effect the taking upof the warp-ends and the placing of the twisted war -ends along onewarp.

T ie new device consists of a pair of cylindrical friction disks, whichare driven in opposite directions and are adapted to be pressed togetheron their faces for twisting the warp-ends previously inserted betweenthem. Preferably the shafts carrying the two friction disks areinclined, so that the opposite faces of the latter form between. them anacute angle and only the peripheries of the two disks can touch eachother on a place above, where the warp-ends are inserted and twisted inone direction. With this device also means for cutting the twistedwarp-ends can be combined, either of the two friction disks or both ofthem being provided with a knife for dividing the twisted warp-ends fromthe rests in the clamp, so that this knife during the rotation of thefriction disk cuts the warps tightened between the clamp and thefriction disks. In a similar manner as in other warp twisting-inmachines, the new device is combined with a device for placing thetwisted warp-ends with an. additional twist along one of the two warps,so that they are enabled to coil round it and thus form the joint.

Where so preferred, the improved warp twisting-in machine may accordingto my invention be provided with a reversing gear, by means of which thedirection of the twist can be chosen.

I will now proceed to describe my inven tion with reference to theaccompanying drawings, in which-- Figure '1 is a side view of theimproved warp twisting-in machine in a mode of execution, parts beingshown in section, Fig. 2 is an elevation of the same, Fig. 3 is a lowerpart out of Fig. 2, in which a slide below with all parts connectedtherewith has been shifted from left to right and two warp-ends havebeen taken up, Fig. 4 is a plan of the same, Fig. 5 is a lower part outof Fig. 1 and shows further parts, two war ends being shown as taken upand inserter between the two detached rotary friction disks, Fig. 6 isthe same as before, only that the two warp-ends have been cut from therests and are being twisted by-the two rotating friction disks,

- in turn drives two friction wheels 25 and 27 in '24, which are placedin the same aXis and are Fig. 7 is a perspective view'of the tworotating friction disks and certain parts therewith connected, the twowarp-ends having been twisted and being about to be placed along theright warp, Fig. 8 is an elevation of parts of the shafts carrying thetwo rotating friction disks, the latter being shown in section, Fig. 9is an end view of one rotating friction disk with a knife in it, Fig.1.0 is an elevation of the lower part of a modified warp twisting-inmachine which is provided with a reversinggear, Fig. 11 is abottom viewf the same, andFig. 12 is a detail, which will be referred to later'on.

Similar characters of reference refer to similar parts ti'zrougliout theseveral views.

he warp twisting-in machine comprises a frame 100 of any knownconstruction, wl'iich is suspended from two parallel horizontal guidingrods 99, 99 and can be shifted thereon in any known manner over theknown lease rods 101, of which one belongs to he old lease and the otherto the new lease,

the warp-ends being in a known manner secured in a clamp 32. I do notfurther describe these parts, as they are known and immaterial to myinvention. A shaft 17 passing through the frame 100 serves fortransmitting the motion to the mac he by means of two bevel Wheels 102and 103 and a vertical shaft 16.

On the underside of the bottom plate 14 of the frame 100arectangularguiding plate 13 (see Fig. 4) is mounted to rock around avertical pin 104, while a slide 12 is longitudinally movable in theguiding plate 13. The slide 12 is pivotally connected by means of aforked link 20 (see Fig. 4) with a lever 18 fulcrumed at 19 on the frame100 and a cam disk 15 of any known construction fastened manner with thebottom plate 14.

on the vertical shaft 16 is adapted to put the slide 12 into areciprocating motion by means of a connecting rod 105 and the parts 18and 20 already mentioned. A vertical shaft 61 is mounted to turn in abush made in one piece with the slide 12 and passes through a slot inthe bottom plate 14, this slot permittin the slide to reciprocate. Theshaft 61 is driven from the vertical shaft 16 by means of three gearwheels 63, 64 and 62, of which one 63 is fastened on the shaft 16,another one 62 is fastened on the shaft 61 and the third one 64 isturnable on a pin 65, which combines two links 66 and 67, that areturnable on the two shafts 16 and 61. respectively. The shaft 61 servesfor driving a friction disk 26 by means of two bevel wheels and 59 and ahorizontal shaft, w rich latter turns in a bracket on the slide 12. Thefriction disk 26 opposite directions, these two friction wheels beingfastened on two separate shafts 23 and mounted to turn in brackets onthe slide 12.

' On one shaft 23 is fastened a cam disk 46 and l onthe other shaft 24 acam disk 58. A helical spring 106 (see Fig. 4) connects the slide 12with the bottom plate 14 and serves for pressing the cam disk 46 againsta roller 48, which turns on a stationary stud 47 fastened on the bottomplate 14. It will be seen, that the guiding plate 13 normally occupiesthe .position shown at Fig. 4 and the slide 12 is guided in its centerline parallel to the driving shaft 17, as long as the roller 48 bears onthe bottom of the recess in the cam disk 46 (see Fig. 5). VJ hen,however, during the rotation of the shaft 23 in the direction of thearrow in Fig. 4 the cam on the disk 46 strikes the roller 48 and runsover the same, the guiding plate 13 with the slide 12 will be turned tothe right in Figs. 1, 5 and 6, that is in a direction opposite to thatof the hands of a clock in Fig. 4. The cam disk 58 on the other shaft24-is adapted-to periodically act uate the lower arm 56 of a twoarmedlever 56, 55, which latter is fastened on a pin 57 that rocks insuitablebrackets on the bottom plate 14. The upper arm 55 of the said leverengages the hooked end of a puller 51, which latter is guided. in asupport 52 on the bottom plate 14 and is constantly pressed to the rightin Fig. 4 or to the front in Figs. 1, 5 and 6 by a helical spring 53. Aloose collar 54 with setscrew checks the action of the spring 53 anddetermines the normal position of the'puller 51. Fastened in the slide12 is a pin 11, on which two levers 9 and 10 (see Fig. 4) are mounted torock, while they are drawn together by a helical spring 29. The

two levers 9 and 10 are each provided with a pin 30 and the two pins 30,are adapted to glide on two oppositely inclined guides 31, 31,

which are rigidly connected in any suitable A pin at the extreme rightend of the slide 12 in ig. 4 engages between the two levers 9 and 10 and.serves for preventing them from turning, if

their pins 30, 30 are released by the inclined guides 31, 31, see alsoFig. 1. It will be seen, that when the slide 12 is moved from right toleft in Fig. 4, the two guides 31, 31 will by means of the pins 30, 30move the two levers 9 and 10 away from each other. The two levers 9 and10 are each made in one piece with two brackets (see Fig. 7), in which ashaft 2 or 3 respectively is mounted to turn. Preferably the two shafts2 and 3 are slightly inclined to one another as shown, their axescrossin each other in a point in the vertical central plane of the slide12. The two shafts 2 and 3 are driven in opposite directions from thetwoshafts 23 and 24 aentioned above by means of chain wheels 22 and 21and endlesschains 28, 28. The opposite ends of the two inclined shafts 2and 3 are enlarged in diameter (see Fig. 8) and form heads 6, 6, onwhich two preferably annular friction disks 4 and 5, say of elasticmaterial, are disposed. Preferably collars 7, 7 are provided on the thebooks 35 and 36.

twoshafts 2 and 3 for preventing the friction disks 4 and 5 fromlongitudinally shifting.

than the two levers 9 and 10 are released by 1 the inclined guides 31.,3 1, the two friction 3 meets the twisted warp-ends and cuts them fromthe rests. The cutting edge of the knife 8 is made to descend in thedirection of the rotation, as is shown in Fig. 8.

In a suitable part of the frame 100 a 1 shaped piece 38, 39, 40 isvertically guided, which by means of a pin at its upper end engages in agroove of a cam disk 41 fastened on the shaft 17 and is therebyreciprocated. The extreme ends of the two arms 38 and 39 below are eachprovided with a pin 37 and on the two pins 37 two two-armed levers 1.07and 108, 109 are mounted to rock. The lower arms of these levers carrythe known warp-hooks 35 and 36, which can swing in a vertical planeparallel to the warps. The

'lower arm 109 of the right lever 1.08, 109 in Fig. 7 is connected withthe upper arm by means of a pin at right angles to the pin 37, so thatit can swing; in a vertical plane at right angles to the warps. Thepuller 51 is adapted to pull the lower arm 36 to the rear in Fig. 7 forreleasin the warp. The upper arms of the two levers 107, and 108, 109are normally drawn. together by a helical spring 42 for bringing the twowarp-hooks 35 and 36 into the vertical position shown at Fig. 1, steps43, 43 being provided on the arms 38 and 39 for limiting the outwardmotion of Rollers are provided at the upper ends of the two levers 107,and 103, 109 and are adapted to strike and to roll on two inclinedguides 44 and 45 on the frame 100, when. the --s haped piece 33, 39, 40is moved upwards by the cam disk 41. One guide 44 is mounted to rock ona pin and is normally pressed downwards by a helical spring 63. Thedownward motion of the guide 44 is normally checked by its arm 77resting on curved projection 76 on the upper arm 74 of a two-armed lever73, 74-, which latter rocks on a pin 75 that is fas tened on a suitablesupport on the bottom plate 14. The lower arm 73 of the lever 7 3, 74 ispivotally connected with a point on the puller 51 by means of aconnecting rod 72 and a two-armed lever 71. rocking on a pin on thebottom plate 14. As the twoarmed lever 73, 7 4 swings in a verticalplane at right angles to that of the guide 44, it is obvious, that theupper arm 74 on being turned to the left in Fig. 2 will by its projection 76 release the arm 77 and permit the guide 44 to turn dowmvards.

A bent wire 49 (of which only the lower part is shown) is secured on theframe 100 and serves for guiding in a known manner the warp-ends liftedby the two 35 and 36. This wire 49 is so bent in. the middle (that is inthe vertical central plane of the machine) as to form a recess 50, intowhich the warp-owls can glide.

The warp twisting-in machine operates as follows: The warp-ends of theold and new leases are secured in a known manner in the clamp 32. Whenduring the motion of the machine its parts at a moment occupy theposition shown at Figs. 1. and 2, the two warp-hooks 35 and 36 arevertical and in their lowest position, while the slide 12 is in itsextreme position on the rear in Fig. 1 or on the left in Fig. 2, so thatthe two eonstantly rotating friction disks 4 and 5 are detached. Duringthe continued motion of the machine the cam disk 41 will by means of theparts 40, 39, 38, 107 and 108, 109 move the two warp-hooks 35 and 36upwards, so that they engage beneath the respective warps 33 and 34 andraise them. Near the end of the upward stroke the rollers on the upperends of the two levers 107 and 103, 109 will strike the two guides 44and 4-5 and turn the two warp-hooks 35 and 36 inwards, until their endsnearly touch each other, as is shown at Fig. 5. During this motion theparts of the warps 33 and 34 between the hooks 35 and 36 and the clamp32 will strike the two sides of the bent wire 49 and glide on them,until at last they get into the recess 50. Meanwhile by means of the camdisk 15 the slide 12 is moved to the front in Fig. 1 or to the right inFig. 2, so that the two inclined guides 31, 31 at last release the twolovers 9 and 10 and permit the two rotating friction disks 4 and 5 toseize the two warps 33 and 34 now inserted between them and to twistthem up to the warp-hooks 35 and 36 in one direction and down to theclamp 32 in the opposite direction. The various machine parts are soproportioned, that the two rotating friction disks 4 and 5 seize the twowarps 33 and 34 at the moment that the l knife 8 is on the rear in Fig.3, so that after about a quarter of a revolution of the friction disk 5the knife 8 cuts the tightened warps 33 and 34 and thus divides themfrom the rests, which drop, as is shown at Fig. 6. About at this momentthe cam on the disk 46 acts upon the roller 48, so that thereby theguiding plate 13 together with the slide 12 turned and the two rotatingfriction disks 4 and 5 withthe ends of the warps between them areshifted to the right in Fig. 6. At the same time the cam disk 58 actsupon the lower bent arm 56 for withdrawing the puller 51, which thenturns the right warp-hook 36 'arp-hooks to the rear in Fig. 7, so as torelease the right warp 34, whereupon the latter receives an additionaltwist, since the two rotating friction wheels 4 and 5 continue to twistthe warp-ends. And at the same time by means of the two-armed lever 69,71, the connecting rod 72 and the two-armed lever 73, 74 the curvedprojection 76 is withdrawn, so as to permit the arm 77 to drop under theaction of the helical spring 68, so that the guide 44 turning downwardstrikes the roller on the upper arm of the two-armed lever 107 andthereby turns the left warp-hook 35 to the left in Fig. 7. Thus thetwisted warp-ends are placed along the right warp 34, so that they areenabled to coil around the warp 34 while more or less tightening thelatter, until they are released by the two rotating friction disks 4 and5 during the withchawal of the slide under the action of the cam disk15. In this manner the usual oint is formed. Of course the operationjust described of the machine may be varied, the various machine partsbeing proportioned in any other suitable manner, while the effectobtained should be the same.

The machine described is adapted to twist in only warps having a twistof one direction (for instance right-hand), and not warps having theopposite twist (for instance lefthand). If it is desired to twist in atwill warps with left-hand twist or with righthand twist, the machine isaccording to my invention modified and provided with a reversing gear,as is for example shown at Figs. 10 to 12. Here the guiding plate 13 ismade to rock on the bottom plate 14 in any known manner around the axisof the vertical shaft 16, which latter passes through a slot in theslide 12 and carries a large bevel wheel 78. The slide 12 is adapted tobe reciprocated from a cam disk 15- on the shaft 16 in a similar manneras before and by means of parts which 1 do not describe, as they areimmaterial to my invention. A second cam disk 46 on the shaft 16 isadapted to rock by means of parts, which are also not described, theguiding plate 13 with the slide 12 for shifting the two rotatingfriction disks 4 and 5 to a side as described above. The two levers 9and 10 are shown as mounted to rock on two separate pins 11 11 on theslide 12 and are provided with horizontal ribs 31 31 which are adaptedto strike two stationary pins 30 30 and to glide thereon, when the slide12- is moved from right to left in Fig. 11, so that thereby the tworotating friction disks are detached. The said two pins 30 30 areprovided on a suitable bracket 108, which passes through recesses ofboth the guiding plate 13 and the slide 12 and is fastened on the bottomplate 14 of the frame. On the guiding plate 13 a slide 98 is guided inany suitable manner in the cross direction and carries two bearings 96and 97 for two parallel shafts on which the gear wheels 94 and 95 on oneside and the gear wheels 92 and 93 on the other side are fastened. Aforked bracket 107 projects from the guiding plate 13 through recessesboth in the slide 12 and in the slide 98 and a shaft 80 passes throughit. The right end of the shaft 80 is mounted in a suitable part of theslide 12 to turn and carries a bevel wheel 81, which meshes with twolike bevel wheels 82 and 83 fastened on the two separate shafts 23 and24 It will be understood, that during the reciprocating motion of theslide 12 the shaft 80 moves through the forked bracket 107 on the leftin Fig. 11. A sleeve 84 is mounted loose on the shaft 80 and isprevented from longitudinally shifting thereon by a pin 90' engaging ina groove 89 of the shaft 80. A small bevel wheel 79 meshing with thelarge bevel wheel 78 is longitudinally movable on the sleeve 84, whileit is prevented from turning thereon by a feather 85 fastened in thesleeve 84 and engaging in its groove. The bevel wheel 79 is rigidlyconnected with a gear wheel 88 and both are prevented fromlongitudinally shifting relatively to the guiding plate 13 by a forkedarm 87 secured on the latter and engaging in a groove between the bevelwheel 79 and the gear wheel 88. The length of the sleeve 84 is madesuch, that for the extreme position of the slide 12 on the left in Fig.11 the sleeve 84 just touches the bearing 107, while for the otherextreme position of the slide 12 the gear wheel 88 is supported by thebevel Wheel 79 resting on the sleeve 84. The shaft 80 passes through agear wheel 91 between the two arms of the forked bearing 107, and thegear wheel 91 is longitudinally movable on the shaft 80, but is in anyknown manner prevented from turning thereon. An intermediate gear wheel91 is provided and constantly meshes with the two gear wheels 91 and 95(see Fig. 12), it turning on a pin 109 which combines two links 91" and91 that are turnable on the shaft 80 and the shaft of the gear wheels 94and 95 respectively. When the slide 98 is shifted into the positionshown at Fig. 11, the rotation of the vertical shaft 16 will betransmitted to the shaft 80 through the two bevel wheels 78 and 79, thegear wheels 88 and 92, the shaft of the latter and the two gear wheels93 and 91, so that the two rotating friction disks 4 and 5 will twistthe two warps (33 and 34 in Fig. 6) in one direction. When, however, theslide 98 is shifted into the other extreme position, the two gear wheels88 and 91 will disengage from those 92 and 93 and the gear wheel 88alone will engage the gear wheel 94. Then the rotation of the shaft 16will be transmitted to the shaft 80 in the opposite direction throughthe bevel wheels 78 and 79, the gear wheels 88 and 94,

the shaft of the latter and the three gear for rotating each of said twofriction disks in wheels 95, 91, and 91. this the two rotating frictiondisks 4 and 5 will twist the two warps in the opposite direction.

The modified machine illustrated at Figs. to '13 may be provided withother parts described above with reference to Figs. 1 to 9 but not shownin Figs. 10 to 13, so that it may operate in a similar manner to thepreceding machine.

The warp twisting-in machine with or without reversing gear may bevaried in many respects without departing from the spirit of myinvention.

I claim:

1. In a warp twisting-in machine of the class described, the combinationwith two cylindrical friction disks each one adapted. to rotate in anopposite direction to the other and both to touch one another on theirfaces, of means for pressing said two friction disks together, and meansfor inserting the warp-ends to be twisted-in between said two frictiondisks, substantially as described and for the purpose set forth.

2. In a warp twisting-in machine of the class described, the combinationwith two cylindrical friction disks adapted to rotate in oppositedirections and to touch one another on their faces which between themform an acute angle, of meansfor pressingsaid two friction diskstogether, and means for. inserting the warp-ends to be twisted-inbetween said two friction disks, substantially as described and for thepurpose set forth.

SfIn a warp twisting-in machine of the class described, the combinationwith two cylindrical friction disks adapted to rotate in oppositedirections and to touch one another on their faces, of a knife withinone of said two friction disks and projecting from the face, means forpressing said two friction disks together, and means for inserting thewarpends to be twisted-in between said two friction disks, substantiallyas described and for the purpose setforth.

4. In a warp twisting-in machine of the class described, the combinationwith two cylindrical friction disk adapted to rotate in oppositedirections and to touch one another on their faces which between themform an acute angle, of a knife within one of said two friction disksand projecting from the face, means for pressing said two friction diskstogether and means for inserting the warpends to be twisted-in betweensaid two friction disks, substantially as described and for the purposeset forth.

5. In a warp twisting-in machine of the class described, the combinationwith two cylindrical friction disks adapted to touch one another ontheir faces, of means for pressing said two friction disks together,means In consequence of means for inserting the twisted-in between saidtwo friction disks, 1 substantially as described and for the pur poseset forth.

an opposite direction to the other, and *arp-ends to be 6. In a warptwisting-in machine of the class described, the combination with twocylindrical friction disks, adapted to touch one another on their faceswhich between them form an acute angle, of means for pressing said twofriction disks together, means for inserting the warp-ends to be twistedin between said two friction disks, and. means for rotating said twofriction disks in opposite directions, substantially as described andfor the purpose set forth.

7 In a warp twisting-in machine of the class described, the combinationwith two cylindrical frictiondisks adapted to touch one another on theirfaces, of a knife within one of said two friction disks and projectingfrom the face, means for pressing said two friction disks together,means for inserting the warp-ends to be twisted-in between said twofriction disks, and means for rotating said two friction disks inopposite directions, substantially as described and for the purpose setforth.

8. In a warp twisting-in machine of the class described, the combinationwith two cylindrical friction disks adapted to touch one another ontheir faces which between them form an acute angle, of a knife withinoneof said two friction disks and projecting from the face, means forpressing said two friction disks together, means for inserting thewarpends to be twisted-in between said two friction disks, and means forrotating said two friction disks in opposite directions, substantiallyas described and for the purpose set forth.

9. In a warp twisting-in machine of the class described, the combinationwith two cylindrical friction disks adapted to touch one another ontheir faces, of means for pressing said two friction disks together,means for rotating said two friction disks in opposite directions, meansfor inserting the warp-ends to be twisted-in between said two frictiondisks, and means for reversing the direction of rotation of both of saidtwo friction disks, substantially as described and for the purpose setforth.

10. In a warp twisting-in machine of the class described, thecombination with two cylindrical friction disks adapted to touch oneanother on their faces which between them form an acute angle, of meansfor pressing said two friction disks together, means for inserting thewarp-ends to be twisted-in between said two friction disks, means forrotating said two friction disks in opposite directions, and means forreversing the direction of rotation of both of said two friction disks,substantially as described and for the purpose set forth.

7 11. In a warp twisting-in machine of the class described, thecombination with two cylindrical friction disks adapted to touch oneanother on their faces, of a knife within one of said two friction disksand projecting from the face, means for pressing said two friction diskstogether, means for inserting the warp-ends to be twisted-in betweensaid two friction disks, means for rotating said two friction disks inopposite directions, and means for reversing the direction of rotationof both of said two friction disks, substantially as described and forthe purpose set forth.

12. In a warp twisting-in machine of the class described, thecombination with two cylindrical friction disks adapted to touch oneanother on their faces which between them form an acute angle, of aknife within one of said two friction disks and projecting from theface, means for pressing said two friction disks together, means forinserting the warp-ends to be twisted-in between said two frictiondisks, means for rotating said two friction disks in oppositedirections, and means for reversing the direction of rotation of both ofsaid two friction disks, substantially as described and for the purposeset forth.

18. In a warp twisting-in machine of the class described, thecombination with two cylindrical friction disks adapted to touch oneanother on their faces, of means for pressing said two friction diskstogether, means for inserting the warp-ends to be twisted-in betweensaid two friction disks, means for rotating said two friction disks inopposite directions, and a reversing gear for reversing the direction ofrotation of both of said two friction disks, substantially as describedand for the purpose set forth.

14. In a warp twisting-in machine, the combination with two cylindricalfriction disks oppositely inclined to one another, of means for rotatingsaid two friction disks in opposite directions, means for periodicallypressing said two friction disks together on their faces, means formoving them away from each other, means for inserting two warp-ends at atime between said two friction disks when detached, the latter beingadapted on being pressed together to twist the warp-ends, and means forplacing the twisted warp-ends along one warp to enable them to coilaround the latter, substantially as described and set forth.

15. In a warp twisting-in machine, the combination with two cylindricalfriction disks oppositely inclined to one another, of a knife within oneof said two friction disks and projecting from the face, means forrotating said two friction disks in opposite directions, means forperiodically pressing said two friction disks together on their faces,means for moving them away irom each other, a clamp for securing thewarp-ends of an old and a new lease, means for raising two warp-ends ata time and inserting them between said two friction disks when detached,said friction disks being adapted on being pressed together to twist thewarp-ends and said knife being adapted to cut the tightened warp-endsfrom said clamp, and means for placing the twisted warp-ends along onewarp to enable them to coil round the latter, substantially as describedand set forth.

16. In a warp twisting-in machine, the combination with two cylindricalfriction disks oppositely inclined to one another, of means for rotatingsaid two friction disks in opposite directions, means for periodicallypressing said two friction disks together on their faces, means formoving them away from each other, means for inserting two warpends at atime between said wo friction disks when detached, the latter beingadapted on being pressed together to twist the warp-ends, means forplacing the twisted warp-ends along one warp to enable them to coilround the latter, and a reversing gear for reversing at will thedirection of rotation of both of said two friction disks, substantiallyas set forth.

17. In a warp twisting-in machine, the combination with two cylindricalfriction disks oppositely inclined to one another, of a knife within oneof said two friction disks and projecting from the face, means forrotating said two friction disks in opposite directions, means forperiodically pressing said two friction disks together on their faces,means for moving them away from each other, a clamp for securing thewarp-ends of an old and a new lease, means for raising two warp-ends ata time and inserting them between said two friction disks when detached,said friction disks being adapted on being pressed together to twist thewarp-ends and said knife being adapted to cut the tightened warp-endsfrom said clamp, means for placing the twisted warp-ends along one warpto enable them to coil round the latter, and a reversing gear forreversing at will the direction of rotation of both of said two frictiondisks, substantially as set forth.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

GUSTAV I'IIIJLER.

Witnesses: I

HERBERT SMITH, J OSEF FREUND.

